NEGATED :checked pseudo-classDaniel GlazmanIan HicksonCSS 3 Module W3C Selectors Next NEGATED :root pseudo-class Previous NEGATED :disabled pseudo-class Test # 86 of 276 of the static tests category Testing NEGATED :checked pseudo-class ID 70 Date 2004-02-24 Revision 1.1
Everything in this paragraph should have a green background
input, span { background-color : red }
input:not(:checked), input:not(:checked) + span { background-color : lime}
<p xmlns="http://www.w3.org/1999/xhtml">
<input type="checkbox"></input> <span>Everything in this paragraph should have a green background</span></p>